131 lines
4.8 KiB
C#
131 lines
4.8 KiB
C#
//-----------------------------------------------------------------------
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// -----------------------------------------------------------------------
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// file="StepReader.ToModel"
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// Project: StgSharp
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// AuthorGroup: Nitload Space
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// Copyright (c) Nitload Space. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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// -----------------------------------------------------------------------
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// -----------------------------------------------------------------------
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using StgSharp.Script;
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using StgSharp.Script.Express;
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using System;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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namespace StgSharp.Model.Step
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{
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public partial class StepReader
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{
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private volatile int _version = 0;
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private StepDataTokenReader tokenReader;
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private StepExpSyntaxAnalyzer analyzer;
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private StepModel Model { get; set; }
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private Task<StepModel> ReadToModelTask { get; set; }
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public StepModel ReadToModel()
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{
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if (Model is not null) {
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return Model;
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}
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if (_version != 0) {
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throw new InvalidOperationException(
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"A ReadToModel method has been called and is running now, use Async version instead");
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}
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Interlocked.Increment(ref _version);
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GetInfo();
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tokenReader = new StepDataTokenReader(DataTransmitter);
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analyzer = new StepExpSyntaxAnalyzer();
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ConcurrentQueue<StepEntityDefineSequence> initStatements = analyzer.StepEntityInitStatements;
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Task secTask = Task.Run(ReadDataSection);
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Task anTask = Task.Run(ReadStepToken);
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Model = new StepModel(_info);
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while (initStatements.TryDequeue(out StepEntityDefineSequence? statement) || !anTask.IsCompleted)
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{
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if (statement is null)
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{
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Thread.Sleep(0);
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continue;
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}
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StepUninitializedEntity entity = Model.FromInitSequence(statement);
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}
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Task.WaitAll(secTask, anTask);
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return Model;
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}
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public async Task<StepModel> ReadToModelAsync()
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{
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if (ReadToModelTask is null) {
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ReadToModelTask = Task.Run(ReadToModel);
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}
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return await ReadToModelTask;
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}
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public StepModel ReadToModelSingleThread()
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{
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if (Model is not null) {
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return Model;
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}
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if (_version != 0) {
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throw new InvalidOperationException(
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"A ReadToModel method has been called and is running now, use Async version instead");
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}
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Interlocked.Increment(ref _version);
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GetInfo();
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tokenReader = new StepDataTokenReader(DataTransmitter);
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analyzer = new StepExpSyntaxAnalyzer();
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ConcurrentQueue<StepEntityDefineSequence> initStatements = analyzer.StepEntityInitStatements;
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ReadDataSection();
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ReadStepToken();
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Model = new StepModel(_info);
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while (initStatements.TryDequeue(out StepEntityDefineSequence? statement))
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{
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if (statement is null)
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{
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Thread.Sleep(0);
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continue;
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}
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StepUninitializedEntity entity = Model.FromInitSequence(statement);
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}
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return Model;
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}
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private void ReadStepToken()
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{
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while (!tokenReader.IsEmpty)
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{
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Token t = tokenReader.ReadToken();
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analyzer.AppendToken(t);
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}
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}
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}
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}
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